Now Playing: Astronauts Successfully Launch Into Space for Year-long Mission

Now Playing: Germanwings Co-Pilot Had Been Called 'Unfit' to Work

Now Playing: Everything You Need to Know About the Iran Nuclear Deal

Now Playing: {{itm.title}}

{"id":7046904,"title":"Camera Catches Volcano Erupt","duration":"1:12","description":"No injuries were reported after the eruption of Japan's most active volcano.","url":"/International/video/camera-captures-volcano-explosion-7046904","section":"International","mediaType":"Default"}